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In order to attach the casting mechanism to the electronics and motor, we laser cut small holes in the base of the casting mechanism that would allow us to screw it into the servo. The servo was mounted underneath the lid of the box housing electronics using M3 hex screws 1/2" long, and a hole was cut in this box so that the top of the servo would be flush with the box when mounted. The arm driving the horizontal sliding motion of the casting mechanism was mounted to the box through a bearing that was press-fit to a laser cut hole. We found that these points of contact with the box were sufficiently sturdy to withstand the motion of the whole assembly without coming apart.
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Figure 35. CAD Model: Electronics Housing CAD Model: Electronics Housing Figure 36. Line Holder Final Prototype: Line Holder Connector Figure 37. Connector Cylinder
Figure 38. Final Prototype: Casting Mechanism Final Prototype: Casting Mechanism Final Figure 39. Final Product: Electronics Housing
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Video 2. Final Prototype: First Demo
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